# API Documentation Collection > [!metadata]- Metadata > **Published:** [[2025-02-02|Feb 02, 2025]] > **Tags:** #🌐 #api-reference #development #documentation #learning ## AI & Language Models - [[Perplexity API]] - Advanced language model API for complex queries - [[Claude API Cheat Sheet]] - Anthropic's Claude API reference - [[OpenAI API Cheat Sheet]] - Comprehensive guide for OpenAI's GPT models ## Productivity & Tools - [[Inoreader API]] - RSS feed reader API documentation - [[Todoist API Cheat Sheet]] - Task management API reference - [[Notion Developers]] - Notion's API platform documentation - [[Google Sheets API Cheat Sheet]] - Google Sheets automation guide ## Development Tools - [[Connect to Supabase Database]] - Database connection guide for Supabase - [[Paw]] - HTTP API client for macOS that enables testing and describing APIs, with a native interface for composing requests, inspecting responses, and generating client code